Can't we all just stop bickering at each other? I for one get so tired of it. Maybe it's fun for some of you. Regardless, bickering doesn't help anyone.

On to the rim+tube=flat problem. I think you need to go to a presta valve tube too (say those last 4 words 10 times as fast as you can). But before you do you need to buy a couple of very expensive things so the presta valve will fit snug enough in the schrader holed rim; please see: http://www.amazon.com/Schrader-Prest.../dp/B000XNZU1S I can hear you screaming now, yes, I know these things are expensive, but it's the best and most assured way of getting the presta valve to fit in the Schrader opening without causing problems.